A couple of years ago I wrote a guide on how to install Modsecurity on FreeBSD. Now the program is on its third iteration so a new article is needed. Or so I think. In this article I’ll be covering Modsecurity 3 applied to protect Apache HTTP. If you find the articles in Adminbyaccident.com useful […]
How to install ModSecurity 3 on FreeBSD
How to configure the PF firewall on FreeBSD
There are three firewall options on FreeBSD. The in-house built IPFW, the ‘old’ IPF (known as IP Filter) and PF ported from OpenBSD. PF is a very popular piece of software which was originally sparked from an issue on the IPF license that prevented making changes publicly available, which the OpenBSD did all the time. […]
Symbolic and Hard Links in UNIX and Linux
Symbolic and Hard Links are useful ways to reference to information on a disk, both found in UNIX and Linux systems. While they seem similar in the surface they are quite different in how they work and it what can be achieved when using them. If you find the articles in Adminbyaccident.com useful to you, […]
Linus on ZFS
Disclaimer: What you are about to read may contain inaccuracies. Feel free to discuss them somewhere else. This is also my opinion and as such it may change through time, maybe tomorrow, next month, next year, next decade or never. I do also make very few reviews (if any) of what I write here so […]
How to patch Spectre and Meltdown the ROM way
In a previous article I briefly, sort of, talked about the Spectre and Meltdown vulnerabilities. I have also written two guides to patch them from the OS side using a UNIX flavour from the BSD camp and a GNU/Linux distribution. Both actions resulted successful but there is a third way to patch this vulnerabilities. Regular […]
How to install Ansible on FreeBSD
Ansible is a very useful tool geared to system’s configuration and applications deployment. In this how to install Ansible on FreeBSD I will briefly explain what the tool is, what it does, what it does not and how to install it on FreeBSD. I will also demonstrate very basic use and on a later article […]
How to setup a simple firewall in FreeBSD using IPFW
Setting the firewall up is a mandatory task on any computer facing the internet. This is a simple, straightforward how to article on how to setup a box with an easy firewall configuration on FreeBSD. If you find the articles in Adminbyaccident.com useful to you, please consider making a donation. Use this link to get […]
Why FreeBSD
In the following lines you will find a brief but sort of complete explanation about what is FreeBSD and why FreeBSD might be of your interest. If you are already a Mac or Linux user this could be more relevant for you than you would imagine. Enjoy. FreeBSD is an operating system, a unix-like operating […]
VMWare ESXi (One)
The VMWare ESXi is a hypervisor developed by the VMWare company and it is widely known and used in many environments and enterprises of all sorts. Nowadays it is the main component of a sort of a software suite. It is a type one hypervisor which means it runs directly on to the hardware controlling […]
How to install the ELK stack on CentOS 8
The ELK stack stands for Elasticsearch, Logstash and Kibana. These three pieces of software are very useful since each brings a powerful capability that in combination is just great to use. Elasticsearch is a search and analytics engine. Logstash can process data from multiple sources. Kibana allows to visualize data in a graphic manner. These […]